Zare, et al. (2017) [1]}. In this work, the feature sets are produced by Sobel edge descriptors (Sobel) [2]}, histograms of oriented gradients (HOG) [3]}, and local binary pattern (LBP) features [4]}. For each feature descriptor, we use the same sliding window strategy of Lianantonakis, et al.[5]} to derive a feature vector for each pixel.
